Fire resistant aluminum door frame assembly

Details Fire resistant aluminum door frame assembly Fire resistant aluminum door frame assembly

E - Fixed Constructions

06

B

108/68

E06B 1/12 (2006.01) E06B 1/18 (2006.01) E06B 1/52 (2006.01) E06B 5/16 (2006.01) E05D 5/02 (2006.01)

Patent

CA 1132400

APPLICATION FOR LETTERS PATENT FOR: FIRE RESISTANT ALUMINUM DOOR FRAME ASSEMBLY ABSTRACT A fire resistant aluminum door frame assembly is provid- ed which comprises a partition wall having a door opening therethrough; a header assembly; opposing jamb assemblies; a strike assembly disposed along one jamb assembly; at least one hinge assembly disposed along the opposite jamb assembly; and a door member supported within said door opening by said hinge assembly and having a lockset engaging said strike assembly; whereby upon exposure to extreme heat, the door frame assembly accommodates expansion of the header and jamb assemblies without buckling, and said strike and hinge assem- blies respectively maintain said door support and lockset en- gagement of the door member, wherein said door frame assembly attains a fire rating.

367835

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